ARM: dts: sunxi: h3/h5: Add msgbox node

The H3 and H5 SoCs contain a message box that can be used to send
messages and interrupts back and forth between the ARM application CPUs
and the ARISC coprocessor. Add a device tree node for it.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 01a5df9aa71b3db052a1eb836f67107d631040ae..22d533d18992bec6ce22943a9e48494ed87515d8 100644 (file)
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -239,6 +239,16 @@
                        };
                };
 
+               msgbox: mailbox@1c17000 {
+                       compatible = "allwinner,sun8i-h3-msgbox",
+                                    "allwinner,sun6i-a31-msgbox";
+                       reg = <0x01c17000 0x1000>;
+                       clocks = <&ccu CLK_BUS_MSGBOX>;
+                       resets = <&ccu RST_BUS_MSGBOX>;
+                       interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+                       #mbox-cells = <1>;
+               };
+
                usb_otg: usb@1c19000 {
                        compatible = "allwinner,sun8i-h3-musb";
                        reg = <0x01c19000 0x400>;